<ti-tree id="tree-util" [data]="innerData" [multiple]="multiple" (select)="selectFn($event)" (change)="changeFn($event)"></ti-tree>
<button class="tree-button" id="tree-expandNode-button" (click)="selectNode()" tiButton>选中并展开面部护理</button><br />
<button class="tree-button" id="tree-expandNode-button" (click)="selectNode1()" tiButton>选中海尔空调</button>
<button class="tree-button" id="tree-expandNode-button" (click)="selectNode2()" tiButton>选中男装</button>
